-ic -ol c-- ccc ccf ccg cci cck ccl ccn cco ccs cfc cff cfg cfi cfk cfl cfn cfo cfs cgc cgg cgi cgl cgn cgo cgs ci- cic cif cig cii cik cil cin cio cis ckc cki cko cks cl- clc clf clg cli clk cll cln clo cls cn- cnc cnf cng cni cnl cnn cno cns co- coc cof cog coi cok col con coo cos csc csf csg csi csk csl csn cso css fcc fcf fcg fci fck fcl fcn fco fcs ffc fff ffg ffi ffk ffl ffn ffo ffs fgc fgf fgg fgi fgl fgn fgs fic fif fig fii fik fil fin fis fkc fkf fkg fki fkk fkl flc flf flg fli fll fln flo fls fnc fnf fng fni fnk fnl fnn fns foc fof fog foi fok fol fon foo fos fsc fsf fsg fsi fsk fsl fsn fso fss gcc gcf gcg gci gck gcl gcn gco gcs gfc gff gfi gfk gfl gfo gfs ggc ggg ggi ggn ggo ggs gic gif gig gii gik gil gin gio gis gkn gko gks glc glf glg gli glk gll gln glo gls gnc gnf gni gnl gnn gno gns goc gof gog goi gok gol gon goo gos gsc gsf gsg gsi gsk gsl gsn gso gss i-f icc icf icg ici ick icl icn ico ics ifc iff ifg ifi ifl ifn ifo ifs igc igf igg igi igk igl ign igo igs iic iif iii iil iin iio iis ikc ikf iki ikk ikl iko iks il- ilc ilf ilg ili ilk ill iln ilo ils in- inc inf ing ini ink inl inn ino ins io- ioc iof iog ioi iol ion ioo ios is- isc isf isg isi isk isl isn iso iss kcc kcg kci kck kcl kcn kcs kfc kff kfg kfi kfo kfs kgc kgf kgi kgl kgo kgs kic kif kig kii kik kil kin kio kis kkc kki kkk kkl kkn kks kl- klc klf klg kli klo kls kn- knc knf kng kni knk knl knn kno koc kof kog koi kok kol kon koo kos ksc ksf ksg ksi ksk ksl ksn kso kss lcc lcf lcg lci lck lcl lcn lco lcs lfc lff lfg lfi lfk lfl lfn lfo lfs lgc lgf lgg lgi lgk lgl lgn lgo lgs lic lif lig lii lik lil lin lio lis lkg lkl lks llc llf llg lli llk lll lln llo lls lnc lng lni lnk lnl lnn lno lns loc lof log loi lok lol lon loo los lsc lsf lsg lsi lsk lsl lsn lso lss n-i ncc ncf ncg nci nck ncl ncn nco ncs nfc nff nfi nfk nfl nfn nfo nfs ngc ngf ngg ngi ngk ngl ngn ngo ngs nic nif nig nii nik nil nin nio nis nkc nkf nki nkk nkn nko nks nlc nlf nlg nli nlk nll nln nlo nls nnc nnf nng nni nnk nnl nnn nno nns no- noc nof nog noi nok nol non noo nos nsc nsf nsg nsi nsk nsl nsn nso nss o-i oc- occ ocf ocg oci ock ocl ocn oco ocs of- ofc off ofg ofi ofl ofn ofo ofs ogc ogf ogg ogi ogl ogn ogo ogs oic oif oii oik oil oin oio ois okc okg oki okk okl oko oks olc olf olg oli olk oll oln olo ols on- onc onf ong oni onk onl onn ono ons oo- ooc oof oog ooi ook ool oon ooo oos os- osc osf osg osi osk osl osn oso oss scc scf scg sci sck scl scn sco scs sfc sff sfg sfi sfk sfl sfn sfo sfs sgc sgf sgg sgi sgk sgl sgn sgo sgs sic sif sig sii sik sil sin sio sis sk- skc skf skg ski skk skl sko sks slc slf slg sli slk sll sln slo sls snc snf sng sni snk snl snn sno sns soc sof sog soi sok sol son soo sos ss- ssc ssf ssg ssi ssk ssl ssn sso sss